Funding for this research was provided by:
Secretary of Public Education (DAS-511-6/18-9169)
Received: 19 November 2019
Accepted: 18 October 2020
First Online: 28 October 2020
Ethics approval and consent to participate
: This project was approved by the Ethics Committee of the University Center of La Cienega, University of Guadalajara (Folio 2017–037). Each participant signed an informed consent letter guaranteeing the confidentiality of data. The study was carried out in strict compliance with the principles of the Declaration of Helsinki.
: Not applicable.
: No conflict of interest is associated with this work.